Each clue can have one letter doubled to yield a new word:
| Clue | Answer | New Word | Doubled Letter |
|---|---|---|---|
| Self-importance (3) | EGO | EGGO | G |
| Hairdresser's workplace (5) | SALON | SALOON | O |
| Russian money (5) | RUBLE | RUBBLE | B |
| Arduous, or IRS activity (6) | TAXING | TAXIING | I |
| Long-barrelled gun (5) | RIFLE | RIFFLE | F |
| Suffocate, perhaps with a pillow (7) | SMOTHER | SMOOTHER | O |
| Frightened (6) | SCARED | SCARRED | R |
| Cardboard milk container (6) | CARTON | CARTOON | O |
| Bring to an end, like a job (6) | FINISH | FINNISH | N |
| Part of a staircase (4) | STEP | STEEP | E |